Optical device and optical transceiver

Abstract

An optical device includes: a first substrate including a first surface facing a first direction and intersecting with the first direction; an optical transceiver provided to be shifted from the first substrate in the first direction; a socket positioned between the first substrate and the optical transceiver and including a plurality of connection conductors electrically connecting a conductor of the first substrate and a conductor of the optical transceiver, and an insulator supporting the plurality of connection conductors; and a positioning pin extending in the first direction between the first substrate and the optical transceiver and penetrating the socket, the positioning pin being configured to position the first substrate, the optical transceiver, and the socket in a direction intersecting with the first direction.

What is claimed is: 
     
         1 . An optical device comprising:
 a first substrate including a first surface facing a first direction and intersecting with the first direction;   an optical transceiver provided to be shifted from the first substrate in the first direction;   a socket positioned between the first substrate and the optical transceiver and including a plurality of connection conductors electrically connecting a conductor of the first substrate and a conductor of the optical transceiver, and an insulator supporting the plurality of connection conductors; and   a positioning pin extending in the first direction between the first substrate and the optical transceiver and penetrating the socket, the positioning pin being configured to position the first substrate, the optical transceiver, and the socket in a direction intersecting with the first direction.   
     
     
         2 . The optical device according to  claim 1 , wherein the optical transceiver includes:
 a second substrate including a plurality of conductors and an insulator; and   a first member provided between the first substrate and the second substrate and including a first opening into which the positioning pin is inserted.   
     
     
         3 . The optical device according to  claim 2 , wherein
 the first opening penetrates the first member,   the positioning pin penetrates the first opening,   a second opening into which the positioning pin is inserted is provided in the second substrate, and   the optical transceiver is positioned with the positioning pin in the second opening.   
     
     
         4 . The optical device according to  claim 3 , wherein the optical transceiver includes a second member configured to cover the second substrate on a side opposite to the first member with respect to the second substrate. 
     
     
         5 . The optical device according to  claim 4 , wherein the second member is provided with a third opening aligned with the second opening in the first direction. 
     
     
         6 . The optical device according to  claim 4 , wherein the optical transceiver includes a coupler configured to integrate the first member and the second member. 
     
     
         7 . The optical device according to  claim 4 , wherein the optical transceiver includes:
 a heating element provided on the second substrate; and   a heat conduction member interposed between the heating element and the first member or the second member.   
     
     
         8 . The optical device according to  claim 7 , wherein the heat conduction member has flexibility. 
     
     
         9 . The optical device according to  claim 2 , wherein
 the second substrate includes a second surface facing the socket in a direction opposite to the first direction, and   the plurality of conductors of the second substrate constitute a land grid array on the second surface.   
     
     
         10 . The optical device according to  claim 9 , wherein the plurality of conductors of the second substrate are arranged in a rhombic lattice shape on the second surface. 
     
     
         11 . The optical device according to  claim 9 , wherein the plurality of conductors of the second substrate are arranged at an interval of 0.6 mm or less on the second surface. 
     
     
         12 . The optical device according to  claim 1 , wherein the optical transceivers include a plurality of optical transceivers. 
     
     
         13 . The optical device according to  claim 12 , wherein the plurality of optical transceivers are disposed along a side of the first substrate. 
     
     
         14 . The optical device according to  claim 13 , wherein
 the plurality of optical transceivers are disposed along four sides of the first substrate, and   a semiconductor integrated circuit is mounted on the first surface at a position farther from each of the sides than the optical transceiver.   
     
     
         15 . The optical device according to  claim 14 , wherein the plurality of connection conductors are provided at positions closer to the semiconductor integrated circuit than a center of the optical transceiver when viewed in the first direction. 
     
     
         16 . The optical device according to  claim 1 , comprising an optical fiber extending from the optical transceiver in the first direction. 
     
     
         17 . An optical transceiver for being applied to an optical device including: a first substrate including a first surface facing a first direction and intersecting with the first direction; the optical transceiver provided to be shifted from the first substrate in the first direction; a socket positioned between the first substrate and the optical transceiver and including a plurality of connection conductors electrically connecting a conductor of the first substrate and a conductor of the optical transceiver, and an insulator supporting the plurality of connection conductors; and a positioning pin extending in the first direction between the first substrate and the optical transceiver and penetrating the socket, the positioning pin being configured to position the first substrate, the optical transceiver, and the socket in a direction intersecting with the first direction, the optical transceiver comprising
 a positioning opening in which the positioning pin is positioned. 
 
     
     
         18 . The optical transceiver according to  claim 17 , comprising:
 a second substrate including a plurality of conductors and an insulator; and   a first member provided between the first substrate and the second substrate and provided with a first opening into which the positioning pin is inserted.   
     
     
         19 . The optical transceiver according to  claim 18 , wherein
 the first opening penetrates the first member,   the positioning pin penetrates the first opening, and   the second substrate is provided with a second opening as the positioning opening.   
     
     
         20 . The optical transceiver according to  claim 18 , comprising
 a second member configured to cover the second substrate on a side opposite to the first member with respect to the second substrate, wherein   a part of an outer surface of the optical transceiver is constituted by the first member, the second member, and the second substrate.